Stacking 555PS - acceptable or not?

Posted by: rjstaines on 06 March 2014

What are your thoughts and/or experience with stacking two 555PS together on one Fraim medium level?

 

These two PS's drive an NDS.  With two x 5 level Fraims, the NAP500PS sits on a medium shelf all by itself with loadsa fresh air around.  I need to free up a shelf on the braun side and thought of stacking the two 555PS on top of each other on the medium (bottom) shelf and moving the 500PS up a level (all upper shelves are standard height and the 555PS's have a shelf each right now).

 

Can anyone see any downside to this - they are, after all, supplying the digital & analogue power to the one NDS.  

 

Your thoughts would be welcomed and if anyone has actually done this for NDS or 555, your experience will be most welcome.

 

Thanks, Roger  

Posted on: 06 March 2014 by hungryhalibut

It always sounds best with everything on its own shelf. Would you really want to compromise the performance? Maybe swap the medium shelf for a standard, and get an additional standard one. But then, if you cannot hear the difference made by Ethernet cables, you may not hear the negative impact of stacking boxes. Perhaps you should just try it.

Posted on: 06 March 2014 by rjstaines

Thanks for your thoughts HH.  It's only the fact that both boxes feed power to the same unit that makes me consider this option, so I will try it as you suggest.

 

Having worked with digital data for forty something years, I find that I naturally tend to buy good quality network cables - you do mostly get what you pay for I've found.  So when auditioning those expensive Chord network cables, I was hearing the effect of a cable that carries bits of data between points A & B, picking up as little RF and jitter as possible on the way.  My conclusion was that the Belkin cable I'd been using was on a par with the Sarum network cable, equally able to deliver data uncorrupted.

 

Sarum TA analogue interconnects... now that's another thing all together !

 

 

 

Posted on: 06 March 2014 by GraemeH
Originally Posted by rjstaines:

Thanks for your thoughts HH.  It's only the fact that both boxes feed power to the same unit that makes me consider this option, so I will try it as you suggest.

 

Having worked with digital data for forty something years, I find that I naturally tend to buy good quality network cables - you do mostly get what you pay for I've found.  So when auditioning those expensive Chord network cables, I was hearing the effect of a cable that carries bits of data between points A & B, picking up as little RF and jitter as possible on the way.  My conclusion was that the Belkin cable I'd been using was on a par with the Sarum network cable, equally able to deliver data uncorrupted.

 

Sarum TA analogue interconnects... now that's another thing all together !

 

 

 

Remember to protect against feet marks on the lower unit top.  Cork discs are quite good and provide a degree of damping.

 

What about heat dissipation?

 

G